Too Long; Didn't Read
You need to be able to test the foundations of your startup venture before launching your product. It's important to have an unbiased, future-gazing consultation before you choose your technology stack. If this works, how easily and affordably can you hire permanent engineers using your specific technology stack? How quickly and how quickly can you make changes to adapt the product to scale the product? How easy and affordable this is will vary considerably according to the technology your product has been built in. How quickly you can get excited and get excited about a fixed and fixed-cost quotation.